<div class="parent_div">
    <p>父组件</p>
    <div>
      <input type="button" value="调用子组件方法" (click)="OnClick()">
      <input type="button" value="调用子组件属性" (click)="getChildInfo()">
    </div>
    <!---子组件指令 start-->
    <app-childen5></app-childen5>
    <!---子组件指令 end-->
  </div>